(Santa Clara, CA) -- The 49ers are locking up starting quarterback Colin Kaepernick long term. The two sides have agreed to a six-year contract extension through 2020. The deal is reportedly worth up to 126-million-dollars, with a record 61-million guaranteed. The 26-year-old has thrown for more than five-thousand yards with 31 touchdowns and just 11 interceptions in three seasons with San Francisco.